Teaching Rajasthan 3rd Grade REET Mains (Level I & II) Mock Test Quantitative Aptitude Average

The average height of three kids is 56 cm and their heights are in the proportion of 7 ∶ 8 ∶ 9. Find the heights of all the three.

1

42 cm, 48 cm, 54 cm

2

56 cm, 64 cm, 72 cm

3

35 cm, 40 cm, 45 cm

4

49 cm, 56 cm, 63 cm

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